Error code
OBD2 P2239
OBD2P2239
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
O2 Sensor Positive Current Control Circuit High.
Severity
moderateCan drive but should address the issue soon.
Summary
P2239 indicates an issue with the heated oxygen sensor (H028) on bank 1, specifically that there is too much current in its positive control circuit.
Common Causes
- Wiring short to positive
Fixes
- Inspect and repair wiring issues related to the heated oxygen sensor.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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